# Reaction Time Test vs Speed Test Reflexes

The clearest difference is in-app purchases: Reaction Time Test at none against Speed Test Reflexes's 1. Reaction Time Test also leads on iOS requirement (15.6 vs 17.0). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. Speed Test Reflexes sells 1 one-off in-app purchase. Reaction Time Test asks for nothing beyond the download.

Reaction Time Test ships an update every 3 months, Speed Test Reflexes every 5 months. The most recent releases landed on August 25, 2026 and September 20, 2026 respectively.

## The numbers

| Metric | Reaction Time Test | Speed Test Reflexes |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 50.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | Yes | Yes |
| Update frequency | **Every 3 months** | Every 5 months |
| Monetization | Ad-supported | — |
| Size | 13 MB | 4 MB |
| Requires iOS | **15.6** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Ryouhei Azuma](https://appshunter.io/developer/1353297781) | [LFT Inc.](https://appshunter.io/developer/1776796858) |

## What reviewers say

### Reaction Time Test

[App page](https://appshunter.io/ios/app/reaction-time-test-rtt/id1669730948)

Test and train your reflexes with this app. Simply tap the screen when a red square appears to measure your reaction speed and improve your concentration. Daily practice can enhance your reflexes, making it ideal for gamers.

**Highlights:** Reaction speed testing, Reflex training, Concentration improvement, Rank display, Daily practice recommended

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


### Speed Test Reflexes

[App page](https://appshunter.io/ios/app/speed-test-reflexes/id6748366021)

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove Ads | $0.99 | one-time |


## Frequently asked questions

### Is Reaction Time Test free?

Reaction Time Test is free to download, with no in-app purchases.

### Is Speed Test Reflexes free?

Speed Test Reflexes is free to download, with in-app purchases available.

### Do Reaction Time Test or Speed Test Reflexes have ads?

Both Reaction Time Test and Speed Test Reflexes show ads.

### Which is updated more often, Reaction Time Test or Speed Test Reflexes?

Reaction Time Test ships an update every 3 months, and Speed Test Reflexes every 5 months. Most recently, Reaction Time Test was updated on August 25, 2026 and Speed Test Reflexes on September 20, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*